<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Document</title>
    * {
      margin: 0;
      padding: 0;
    }

    body {
      font: 14px / 1.5 Helvetica Neue, Helvetica, Arial, Microsoft Yahei, Hiragino Sans GB, Heiti SC, sans-serif;
      color: #333;
      background-color: #fff;
      line-height: 1.5;
    }

    img {
      vertical-align: middle;
    }

    ul li {
      list-style: none;
    }

    a {
      text-decoration: none;
    }

    .cf::after {
      content: '';
      display: block;
      clear: both;
    }

    .fl {
      float: left;
    }

    .fr {
      float: right;
    }

    .m-r10 {
      margin-right: 10px;
    }

    .m-t10 {
      margin-top: 10px;
    }

    .m-b10 {
      margin-bottom: 10px;
    }

    .m-auto {
      margin: 0 auto;
    }
</head>
<body>
    
</body>
</html>